OSG Spiral Flute Tap: M18x2.5 Metric, 6H, 4 Flute, Bottoming Chamfer (MPN 1311301708)
SKU 3G-OTH-252708
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Frequently Asked Questions
What is the OSG spiral flute tap M18x2.5 used for?
The OSG spiral flute tap M18x2.5 is designed for threading blind holes in alloy steels. Its spiral flute design lifts chips upward, preventing clogging, while the coolant-through capability improves lubrication and heat dissipation during threading operations.
What are the specifications of the OSG spiral flute tap M18x2.5?
This OSG tap has a metric M18x2.5 thread size, 6H tolerance, 4 flutes, and a bottoming chamfer. The manufacturer part number is 1311301708. It is a coolant-through spiral-flute tap designed for alloy steels, ensuring efficient chip evacuation and extended tool life.
Where to buy the OSG spiral flute tap M18x2.5 worldwide?
You can source the OSG spiral flute tap M18x2.5 from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations, ensuring you receive the correct OSG tool for your threading application.
How to select the correct OSG spiral flute tap for alloy steels?
Select the OSG spiral flute tap based on thread size, pitch, and material. For alloy steels, use a coolant-through design like the M18x2.5 with 6H tolerance. Ensure the chamfer type matches your hole—bottoming for blind holes. Always match the tap to your machine's coolant system for optimal performance.
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3G Electric supplies OSG coolant-through spiral-flute taps for alloy steels. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.














